/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU 
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html). 
 * In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that 
 * Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
 *
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display 
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains 
 * relevant author attributions when distributing the software. If the display of the logo in its graphic 
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE" 
 * in every copy of the program you distribute. 
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
*/


using System.Linq;

namespace ASC.ActiveDirectory.Base.Data
{
    public class LdapLogin
    {
        public string Username { get; private set; }
        public string Domain { get; private set; }

        public LdapLogin(string username, string domain)
        {
            Username = username;
            Domain = domain;
        }

        public override string ToString()
        {
            return !string.IsNullOrEmpty(Domain) ? string.Format("{0}@{1}", Username, Domain) : Username;
        }

        public static LdapLogin ParseLogin(string login)
        {
            if (string.IsNullOrEmpty(login))
                return null;

            string username;
            string domain = null;

            if (login.Contains("\\"))
            {
                var splited = login.Split('\\');

                if (!splited.Any() || splited.Length != 2)
                    return null;

                domain = splited[0];
                username = splited[1];

            }
            else if (login.Contains("@"))
            {
                var splited = login.Split('@');

                if (!splited.Any() || splited.Length != 2)
                    return null;

                username = splited[0];
                domain = splited[1];
            }
            else
            {
                username = login;
            }

            var result = new LdapLogin(username, domain);

            return result;
        }
    }
}
